Ultrasonic probe

Abstract

A three-dimensional (3D) mechanical probe capable of ensuring reliable sealing between an acoustic window and a base is disclosed.

What is claimed is: 
     
         1 . A three-dimensional (3D) mechanical probe comprising:
 an acoustic window and a base, wherein the acoustic window and the base are fixedly connected to form an enclosed space, the acoustic window has a first matching wall, the base has a second matching wall, and the first matching wall is sleeved on the second matching wall; and   a restricting body and an elastic seal ring, wherein the seal ring is disposed between the first matching wall and the second matching wall and is tightly compressed and deformed, and the restricting body restricts deformation of the acoustic window.   
     
     
         2 . The 3D mechanical probe according to  claim 1 , wherein the restricting body is a readily deformable restricting collar, and the restricting collar is tightly sleeved on the first matching wall. 
     
     
         3 . The 3D mechanical probe according to  claim 2 , wherein two ends of the restricting collar are respectively a head portion and a tail portion, and the head portion and the tail portion are joined or butted and welded together. 
     
     
         4 . The 3D mechanical probe according to  claim 1 , wherein at least one of the first matching wall and the second matching wall is provided with a recessed seal groove, the seal ring is disposed in the seal groove, and the seal ring has a wall thickness larger than a depth of the seal groove. 
     
     
         5 . The 3D mechanical probe according to  claim 1 , wherein the acoustic window is in a snap-fit engagement with the base. 
     
     
         6 . The 3D mechanical probe according to  claim 5 , wherein the first matching wall is provided with a first buckling portion, the second matching wall is provided with a second buckling portion, and the first buckling portion is in snap-fit engagement with the second buckling portion. 
     
     
         7 . The 3D mechanical probe according to  claim 6 , wherein the first matching wall has an inner surface surrounding the base, the second matching wall has an outer surface corresponding to the inner surface, the seal ring is located between the inner surface and the outer surface, the first buckling portion protrudes from the inner surface, and the second buckling portion is recessed in the outer surface. 
     
     
         8 . The 3D mechanical probe according to  claim 7 , wherein at least one of the first buckling portion and the second buckling portion has a guiding surface.